From 4d4b5a9a2f713c32d3ffac82026a254ec1afeb8b Mon Sep 17 00:00:00 2001
From: Lionel Ulmer <ulmer@directprovider.net>
Date: Sun, 28 Feb 1999 19:49:42 +0000
Subject: [PATCH] - added function DirectDrawEnumerateEx - added (or corrected)
 check for the return value of the enumeration functions

---
 graphics/ddraw.c   | 55 +++++++++++++++++++++++++++++++++++++++++-----
 relay32/ddraw.spec | 34 ++++++++++++++--------------
 2 files changed, 68 insertions(+), 21 deletions(-)

diff --git a/graphics/ddraw.c b/graphics/ddraw.c
index a5b8dd927a6..75051d5e7bf 100644
--- a/graphics/ddraw.c
+++ b/graphics/ddraw.c
@@ -129,14 +129,59 @@ DDRAW_DGA_Available(void)
 
 HRESULT WINAPI
 DirectDrawEnumerateA(LPDDENUMCALLBACKA ddenumproc,LPVOID data) {
+	TRACE(ddraw, "(%p,%p)\n", ddenumproc, data);
+  
 	if (DDRAW_DGA_Available()) {
 	  TRACE(ddraw, "Enumerating DGA interface\n");
-		ddenumproc(&DGA_DirectDraw_GUID,"WINE with XFree86 DGA","display",data);
+	  if (!ddenumproc(&DGA_DirectDraw_GUID,"WINE with XFree86 DGA","display",data))
+	    return DD_OK;
 	}
+	
 	TRACE(ddraw, "Enumerating Xlib interface\n");
-	ddenumproc(&XLIB_DirectDraw_GUID,"WINE with Xlib","display",data);
+	if (!ddenumproc(&XLIB_DirectDraw_GUID,"WINE with Xlib","display",data))
+	  return DD_OK;
+	
 	TRACE(ddraw, "Enumerating Default interface\n");
-	ddenumproc(NULL,"WINE (default)","display",data);
+	if (!ddenumproc(NULL,"WINE (default)","display",data))
+	  return DD_OK;
+	
+	return DD_OK;
+}
+
+HRESULT WINAPI
+DirectDrawEnumerateExA(LPDDENUMCALLBACKEXA ddenumproc,LPVOID data, DWORD dwFlags) {
+	TRACE(ddraw, "(%p,%p, %08lx)\n", ddenumproc, data, dwFlags);
+
+	if (TRACE_ON(ddraw)) {
+	  DUMP("  Flags : ");
+	  if (dwFlags & DDENUM_ATTACHEDSECONDARYDEVICES)
+	    DUMP("DDENUM_ATTACHEDSECONDARYDEVICES ");
+	  if (dwFlags & DDENUM_DETACHEDSECONDARYDEVICES)
+	    DUMP("DDENUM_DETACHEDSECONDARYDEVICES ");
+	  if (dwFlags & DDENUM_NONDISPLAYDEVICES)
+	    DUMP("DDENUM_NONDISPLAYDEVICES ");
+	  DUMP("\n");
+	}
+
+	if (dwFlags & DDENUM_NONDISPLAYDEVICES) {
+	  /* For the moment, Wine does not support any 3D only accelerators */
+	  return DD_OK;
+	}
+	
+	if (DDRAW_DGA_Available()) {
+	  TRACE(ddraw, "Enumerating DGA interface\n");
+	  if (!ddenumproc(&DGA_DirectDraw_GUID,"WINE with XFree86 DGA","display",data, NULL))
+	    return DD_OK;
+	}
+
+	TRACE(ddraw, "Enumerating Xlib interface\n");
+	if (!ddenumproc(&XLIB_DirectDraw_GUID,"WINE with Xlib","display",data, NULL))
+	  return DD_OK;
+
+	TRACE(ddraw, "Enumerating Default interface\n");
+	if (!ddenumproc(NULL,"WINE (default)","display",data, NULL))
+	  return DD_OK;
+	
 	return DD_OK;
 }
 
@@ -1983,7 +2028,7 @@ static HRESULT WINAPI IDirect3D_EnumDevices(LPDIRECT3D this,
   FIXME(ddraw,"(%p)->(%p,%p),stub!\n",this,cb,context);
 
   /* Call functions defined in d3ddevices.c */
-  if (d3d_OpenGL_dx3(cb, context))
+  if (!d3d_OpenGL_dx3(cb, context))
     return DD_OK;
 
   return DD_OK;
@@ -2080,7 +2125,7 @@ static HRESULT WINAPI IDirect3D2_EnumDevices(
 	FIXME(ddraw,"(%p)->(%p,%p),stub!\n",this,cb,context);
 
 	/* Call functions defined in d3ddevices.c */
-	if (d3d_OpenGL(cb, context))
+	if (!d3d_OpenGL(cb, context))
 	  return DD_OK;
 
 	return DD_OK;
diff --git a/relay32/ddraw.spec b/relay32/ddraw.spec
index 98682806997..063fc1c4909 100644
--- a/relay32/ddraw.spec
+++ b/relay32/ddraw.spec
@@ -10,19 +10,21 @@ type win32
    7  stdcall DirectDrawCreateClipper(long ptr ptr) DirectDrawCreateClipper
    8  stdcall DirectDrawEnumerateA(ptr ptr) DirectDrawEnumerateA
    9  stub DirectDrawEnumerateW
-  10  stub DllCanUnloadNow
-  11  stub DllGetClassObject
-  12  stub GetNextMipMap
-  13  stub GetSurfaceFromDC
-  14  stub HeapVidMemAllocAligned
-  15  stub InternalLock
-  16  stub InternalUnlock
-  17  stub LateAllocateSurfaceMem
-  18  stub VidMemAlloc
-  19  stub VidMemAmountFree
-  20  stub VidMemFini
-  21  stub VidMemFree
-  22  stub VidMemInit
-  23  stub VidMemLargestFree
-  24  stub thk1632_ThunkData32
-  25  stub thk3216_ThunkData32
+  10  stdcall DirectDrawEnumerateExA(ptr ptr long) DirectDrawEnumerateExA
+  11  stub DirectDrawEnumerateExW
+  12  stub DllCanUnloadNow
+  13  stub DllGetClassObject
+  14  stub GetNextMipMap
+  15  stub GetSurfaceFromDC
+  16  stub HeapVidMemAllocAligned
+  17  stub InternalLock
+  18  stub InternalUnlock
+  19  stub LateAllocateSurfaceMem
+  20  stub VidMemAlloc
+  21  stub VidMemAmountFree
+  22  stub VidMemFini
+  23  stub VidMemFree
+  24  stub VidMemInit
+  25  stub VidMemLargestFree
+  26  stub thk1632_ThunkData32
+  27  stub thk3216_ThunkData32